| Title |
Recent Ion Source Developments for VARIAN's ProBeam® Cyclotron |
| Authors |
- S. Busold, H. Röcken
VMS-PT, Troisdorf, Germany
- A.S. Partowidjojo, J.M. Schippers
PSI, Villigen PSI, Switzerland
|
| Abstract |
The cold cathode Penning ionization gauge (PIG) type proton source of the VARIANÂ’s ProBeam® 250 MeV superconducting isochronous cyclotron suffers from the usual cathode/chimney erosion during operation. Furthermore, a relatively high hydrogen gas flow is needed to generate a proton beam in the μA range, which induces conditions for RF operation below optimum. In the quest to increase cathode/chimney life time and thereby directly extend service intervals, thus reducing the total cost of ownership, several experimental investigations have been performed at a dedicated test bench at PSI, Switzerland, including material studies, a detailed operation analysis and switching to a hot cathode design.
|
| Paper |
download THP06.PDF [0.825 MB / 3 pages] |
| Conference |
Cyclotrons2016, Zurich, Switzerland |
| Series |
International Conference on Cyclotrons and Their Applications (21st) |
| Proceedings |
Link to full Cyclotrons2016 Proccedings |
| Session |
Poster Session: Operation and Upgrades; Cyclotron and FFAG Concepts, New Proj. |
| Date |
15-Sep-16 13:30–14:30 |
| Main Classification |
Operations and Upgrades |
| Keywords |
cathode, ion, ion-source, cyclotron, operation |
| Publisher |
JACoW, Geneva, Switzerland |
| Editors |
Jan Chrin (PSI, Villigen, Switzerland); Jacobus M. Schippers (PSI, Villigen, Switzerland); Mike Seidel (PSI, Villigen, Switzerland); Volker RW Schaa (GSI, Darmstadt, Germany) |
| ISBN |
978-3-95450-167-0 |
| Published |
January 2017 |
| Copyright |
|
